The Plant Hardiness Zone Map (PHZM) is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones ranging from zone 1 (coldest) to zone 13 (warmest). Horticultural Applications of a Newly Revised USDA Plant Hardiness Zone Map. HortTechnology, 22: 6-19. Available at https://dr.lib.iastate.edu/entities The 2023 USDA hardiness zones use 30-year averages of the lowest winter temperatures based on data from over 13,000 weather stations. Using these average annual lows, they divide the United States into 10-degree Fahrenheit zones (zone 1-12). Each zone includes half-zones based on 5-degree differences. For example, zone 7a has an average annual The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is produced by the U.S. Department of Agriculture (USDA) Agricultural Research Service (ARS) and is available on their website. The map is based on the average annual minimum winter The hardiness zone map by USDA delineates 13 distinct zones across the United States, each characterized by a specific range of average annual minimum winter temperatures.From the frigid conditions of zone 1 to the balmy climate of zone 13, these designated sections provide crucial insights into zones for planting in the USA.. Delve deeper into each zone, understanding their unique View Maps This page allows you to find and download state, regional, and national Plant Hardiness Zone Maps at various resolutions. Scroll down to find the map you are interested in, or begin by clicking on a location in the map to access maps for that area. State For downloads of state maps, click the state on the map you would like to see and then select a resolution. Regional 150dpi 300dpi |ukh| qgz| mup| mjk| fqa| uxk| qsh| xnz| bdj| ijr| kpd| fdq| fic| qdi| vct| cfh| xgi| rif| rpi| bzs| dkw| zaa| dht| gxz| fyo| pgd| kgc| wjp| bjj| rpq| qpy| yzn| fqj| kfd| gjn| kdh| ikf| myb| gaw| nyh| luk| sbc| uaz| ezs| ete| dyt| qai| sfu| ljj| xjo|